+
+ /* Before mapping the window, save the bits that are underneath the
+ rectangle the window will occlude. When we lower the window, we
+ restore these bits. This works, because the running screenhack
+ has already been sent SIGSTOP, so we know nothing else is drawing
+ right now! */
+ {
+ XGCValues gcv;
+ GC gc;
+ pw->save_under = XCreatePixmap (si->dpy,
+ si->default_screen->screensaver_window,
+ pw->width + (pw->border_width*2) + 1,
+ pw->height + (pw->border_width*2) + 1,
+ si->default_screen->current_depth);
+ gcv.function = GXcopy;
+ gc = XCreateGC (si->dpy, pw->save_under, GCFunction, &gcv);
+ XCopyArea (si->dpy, si->default_screen->screensaver_window,
+ pw->save_under, gc,
+ pw->x - pw->border_width, pw->y - pw->border_width,
+ pw->width + (pw->border_width*2) + 1,
+ pw->height + (pw->border_width*2) + 1,
+ 0, 0);
+ XFreeGC (si->dpy, gc);
+ }
+